Unum Group Executive Officer Andrew D. Walker Form 3 Filing and Power of Attorney

This SEC Form 3 filing reports the initial beneficial ownership of Unum Group (UNM) common stock by Andrew D. Walker, Executive Vice President and Chief Customer Operations Officer. The filing shows Walker owns 26,143 shares of common stock, all of which are restricted stock units (stock-settled RSUs) granted on July 31, 2025 and March 1, 2026. These RSUs vest in three near-equal annual installments beginning on the first anniversary of each grant date. The filing includes a Power of Attorney executed by Walker on June 17, 2026, authorizing designated company attorneys to file SEC forms on his behalf, including Forms 3, 4, and 5, and to manage his EDGAR account. The Power of Attorney remains in effect while Walker is required to file SEC reports related to his holdings of Unum Group securities.